TUCKER, Ga. -- Police believe that an argument between two men at the America's Best Value Inn parking lot may have escalated to shooting each other.

The shooting happened around 2:30 a.m. at 1600 Crescent Center Blvd on Thursday.

DeKalb Police found a 45-year-old man shot in the chest and a 39-year-old male shot in the leg. The man shot in the chest is in critical condition at Grady Hospital. The man shot in the leg showed up at DeKalb Medical Center shortly after the shooting. He is being interviewed by police along with other witnesses.

Photos | Two shot at Tucker inn

Detectives are working to identify one additional person who may be involved in the shooting. So far, no charges have been filed.

Stay updated on this and other stories by downloading the FREE 11Alive News app now in the iTunes store or on Google Play.